Justify each step in the solution of 5x+15=0

1. are the triangles similar and if so why? what is the value of x? show your work.

For what value of (y) is 3^3/3^y =1/9

When are triangles considered similar? a. corresponding angles are equal andcorresponding sides are proportionalb. corresponding angles are proportional andcorresponding sides are equalc. corresponding angles are equal orcorresponding sides are proportionald. corresponding angles are proportional orcorresponding sides are equal select the best answer from the choices providedmark this and retumsave and exitnext